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Diagnosis Procedure
1.CHECK FRONT SONAR SENSOR SIGNAL LH INNER CIRCUIT (1)
  1. Turn ignition switch OFF.
  2. Disconnect sonar control unit connector and front sonar sensor LH inner connector.
  3. Turn ignition switch ON.
  4. Check voltage between sonar control unit harness connector and ground.
    Sonar control unit(-)Voltage (Approx. )
    ConnectorTerminal
    B202Ground0 V
Is the inspection result normal?
Repair harness or connector.
 
2.CHECK FRONT SONAR SENSOR SIGNAL LH INNER CIRCUIT (2)
  1. Turn ignition switch OFF.
  2. Check continuity between front sonar sensor LH inner harness connector and ground.
Front sonar sensor LH innerGroundContinuity
ConnectorTerminal
E3052Not existed
Is the inspection result normal?
Replace the front sonar sensor LH inner. Refer to Removal and Installation.
Repair the harness or connector.